Heart Rate Variability as Early Biomarker for the Evaluation of Diabetes Mellitus Progress

Table 2

Heart rate variability.

Interval (ms)	SD1	SD2	Poincaré index
			SD1/SD2	Variability
RR
Control = 126 ± 1.6	1	1.3	0.8	SD1 10%; SD2 39%
cDM-model = 125 ± 1.2	0.9	0.8	1.1	SD1/SD2 38%
QT
Control = 39.3 ± 1.1	2	3.5	0.6	SD1 60%
cDM-model = 45.3 ± 0.8^∞	0.8	3.4	0.2	SD1/SD2 60%
QTc
Control = 35 ± 1.6	0.03	0.2	0.15	SD2 300%
cDM-model = 41 ± 0.7	0.03	0.6	0.05	SD1/SD2 33%

Control, ; cDM-model, . Control decrease, increase; Student’s -test  .